10377991 has 16 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 8997120.

The previous prime is 10377967. The next prime is 10378021. The reversal of 10377991 is 19977301.

10377991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10377991 - 2⁷ = 10377863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10377991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10377931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17955 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^10377991 is an apocalyptic number.

10377991 is a deficient number, since it is larger than the sum of its proper divisors (1496249).

10377991 is a wasteful number, since it uses less digits than its factorization.

10377991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 10377991 is about 3221.4889414679. The cubic root of 10377991 is about 218.1244905202.

The spelling of 10377991 in words is "ten million, three hundred seventy-seven thousand, nine hundred ninety-one".